Outgoing mail stays in the Exchange Server mail queue and is not delivered. What's going on? The incoming mail flows, but outgoing mail doesn't. The mail needs to flow to the outside world, and we can't have this delay. Let's…
We can't create a mailbox in Exchange Server, and it shows the error: Load balancing failed to find a valid mailbox database. We didn't change anything, and this error occured. Why is this happening, and what is the solution? Table…
There is unallocated space on the system, but it's impossible to extend the volume in Disk Management. The Extend Volume option is greyed out. How to quickly fix Extend Volume on the system and go on with other tasks? In…
How to create a certificate in Exchange Server? It's important to secure the connections to Exchange Server with an SSL certificate. Let's look at how to generate a certificate request, complete the certificate request, and assign the services to the…
There are a lot of certificates, and the certificate name is not that friendly to understand for what it's used for. It's much easier to have a certificate with a friendly name that identifies its purpose by only looking at…
The Exchange mailbox database keeps dismounting, and when we like to mount the database, it's unable to mount. After repairing the Exchange database and mounting, we did look at the event logs for errors. That's because we like to prevent…
Microsoft released several Security Updates (SUs) for Microsoft Exchange Server to address vulnerabilities. Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect the environment. Note: These vulnerabilities affect…
The Microsoft Exchange certificate is installed when you install an Exchange Server, and it's 5 years active. Most of the time, you don't look into that certificate because, within 5 years, you will have a new Exchange Server and decommission…
Nobody likes to see the Exchange Server sending spam. If you have never seen this situation, you are lucky. Hopefully, you will never have to see this, as this can bring a lot of stress and damage to the organization.…
To prevent misuse of UNC paths by attackers, Microsoft removed the parameters that take UNC paths as inputs from the Exchange Server PowerShell cmdlets and the Exchange Admin Center. These changes will affect all cumulative update (CU) releases of Microsoft…